Theorem ragperp 26762

Description: Deduce that two lines are perpendicular from a right angle statement. One direction of theorem 8.13 of [Schwabhauser] p. 59. (Contributed by Thierry Arnoux, 20-Oct-2019.)

Hypotheses

Ref	Expression
isperp.p	⊢ 𝑃 = (Base‘𝐺)
isperp.d	⊢ − = (dist‘𝐺)
isperp.i	⊢ 𝐼 = (Itv‘𝐺)
isperp.l	⊢ 𝐿 = (LineG‘𝐺)
isperp.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
isperp.a	⊢ (𝜑 → 𝐴 ∈ ran 𝐿)
ragperp.b	⊢ (𝜑 → 𝐵 ∈ ran 𝐿)
ragperp.x	⊢ (𝜑 → 𝑋 ∈ (𝐴 ∩ 𝐵))
ragperp.u	⊢ (𝜑 → 𝑈 ∈ 𝐴)
ragperp.v	⊢ (𝜑 → 𝑉 ∈ 𝐵)
ragperp.1	⊢ (𝜑 → 𝑈 ≠ 𝑋)
ragperp.2	⊢ (𝜑 → 𝑉 ≠ 𝑋)
ragperp.r	⊢ (𝜑 → ⟨“𝑈𝑋𝑉”⟩ ∈ (∟G‘𝐺))

Assertion

Ref	Expression
ragperp	⊢ (𝜑 → 𝐴(⟂G‘𝐺)𝐵)

Proof of Theorem ragperp

Dummy variables 𝑢 𝑣 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		isperp.p	. . . 4 ⊢ 𝑃 = (Base‘𝐺)
2		isperp.d	. . . 4 ⊢ − = (dist‘𝐺)
3		isperp.i	. . . 4 ⊢ 𝐼 = (Itv‘𝐺)
4		isperp.l	. . . 4 ⊢ 𝐿 = (LineG‘𝐺)
5		eqid 2736	. . . 4 ⊢ (pInvG‘𝐺) = (pInvG‘𝐺)
6		isperp.g	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
7	6	adantr 484	. . . 4 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝐺 ∈ TarskiG)
8		ragperp.b	. . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ran 𝐿)
9	8	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝐵 ∈ ran 𝐿)
10		simprr 773	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑣 ∈ 𝐵)
11	1, 4, 3, 7, 9, 10	tglnpt 26594	. . . 4 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑣 ∈ 𝑃)
12		isperp.a	. . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿)
13	12	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝐴 ∈ ran 𝐿)
14		ragperp.x	. . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ (𝐴 ∩ 𝐵))
15	14	elin1d 4098	. . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝐴)
16	15	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑋 ∈ 𝐴)
17	1, 4, 3, 7, 13, 16	tglnpt 26594	. . . 4 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑋 ∈ 𝑃)
18		simprl 771	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑢 ∈ 𝐴)
19	1, 4, 3, 7, 13, 18	tglnpt 26594	. . . 4 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑢 ∈ 𝑃)
20		ragperp.v	. . . . . . 7 ⊢ (𝜑 → 𝑉 ∈ 𝐵)
21	20	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑉 ∈ 𝐵)
22	1, 4, 3, 7, 9, 21	tglnpt 26594	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑉 ∈ 𝑃)
23		ragperp.u	. . . . . . . . 9 ⊢ (𝜑 → 𝑈 ∈ 𝐴)
24	23	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑈 ∈ 𝐴)
25	1, 4, 3, 7, 13, 24	tglnpt 26594	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑈 ∈ 𝑃)
26		ragperp.r	. . . . . . . 8 ⊢ (𝜑 → ⟨“𝑈𝑋𝑉”⟩ ∈ (∟G‘𝐺))
27	26	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → ⟨“𝑈𝑋𝑉”⟩ ∈ (∟G‘𝐺))
28		ragperp.1	. . . . . . . 8 ⊢ (𝜑 → 𝑈 ≠ 𝑋)
29	28	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑈 ≠ 𝑋)
30	23	ad2antrr 726	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑈 ∈ 𝐴)
31	6	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝐺 ∈ TarskiG)
32	17	adantr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑋 ∈ 𝑃)
33	19	adantr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑢 ∈ 𝑃)
34		simpr 488	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → ¬ 𝑋 = 𝑢)
35	34	neqned 2939	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑋 ≠ 𝑢)
36	12	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝐴 ∈ ran 𝐿)
37	15	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑋 ∈ 𝐴)
38	18	adantr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑢 ∈ 𝐴)
39	1, 3, 4, 31, 32, 33, 35, 35, 36, 37, 38	tglinethru 26681	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝐴 = (𝑋𝐿𝑢))
40	30, 39	eleqtrd 2833	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑢) → 𝑈 ∈ (𝑋𝐿𝑢))
41	40	ex 416	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (¬ 𝑋 = 𝑢 → 𝑈 ∈ (𝑋𝐿𝑢)))
42	41	orrd 863	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (𝑋 = 𝑢 ∨ 𝑈 ∈ (𝑋𝐿𝑢)))
43	42	orcomd 871	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (𝑈 ∈ (𝑋𝐿𝑢) ∨ 𝑋 = 𝑢))
44	1, 2, 3, 4, 5, 7, 25, 17, 22, 19, 27, 29, 43	ragcol 26744	. . . . . 6 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → ⟨“𝑢𝑋𝑉”⟩ ∈ (∟G‘𝐺))
45	1, 2, 3, 4, 5, 7, 19, 17, 22, 44	ragcom 26743	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → ⟨“𝑉𝑋𝑢”⟩ ∈ (∟G‘𝐺))
46		ragperp.2	. . . . . 6 ⊢ (𝜑 → 𝑉 ≠ 𝑋)
47	46	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → 𝑉 ≠ 𝑋)
48	20	ad2antrr 726	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑉 ∈ 𝐵)
49	6	ad2antrr 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝐺 ∈ TarskiG)
50	17	adantr 484	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑋 ∈ 𝑃)
51	11	adantr 484	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑣 ∈ 𝑃)
52		simpr 488	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → ¬ 𝑋 = 𝑣)
53	52	neqned 2939	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑋 ≠ 𝑣)
54	8	ad2antrr 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝐵 ∈ ran 𝐿)
55	14	elin2d 4099	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
56	55	ad2antrr 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑋 ∈ 𝐵)
57	10	adantr 484	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑣 ∈ 𝐵)
58	1, 3, 4, 49, 50, 51, 53, 53, 54, 56, 57	tglinethru 26681	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝐵 = (𝑋𝐿𝑣))
59	48, 58	eleqtrd 2833	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) ∧ ¬ 𝑋 = 𝑣) → 𝑉 ∈ (𝑋𝐿𝑣))
60	59	ex 416	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (¬ 𝑋 = 𝑣 → 𝑉 ∈ (𝑋𝐿𝑣)))
61	60	orrd 863	. . . . . 6 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (𝑋 = 𝑣 ∨ 𝑉 ∈ (𝑋𝐿𝑣)))
62	61	orcomd 871	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → (𝑉 ∈ (𝑋𝐿𝑣) ∨ 𝑋 = 𝑣))
63	1, 2, 3, 4, 5, 7, 22, 17, 19, 11, 45, 47, 62	ragcol 26744	. . . 4 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → ⟨“𝑣𝑋𝑢”⟩ ∈ (∟G‘𝐺))
64	1, 2, 3, 4, 5, 7, 11, 17, 19, 63	ragcom 26743	. . 3 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐵)) → ⟨“𝑢𝑋𝑣”⟩ ∈ (∟G‘𝐺))
65	64	ralrimivva 3102	. 2 ⊢ (𝜑 → ∀𝑢 ∈ 𝐴 ∀𝑣 ∈ 𝐵 ⟨“𝑢𝑋𝑣”⟩ ∈ (∟G‘𝐺))
66	1, 2, 3, 4, 6, 12, 8, 14	isperp2 26760	. 2 ⊢ (𝜑 → (𝐴(⟂G‘𝐺)𝐵 ↔ ∀𝑢 ∈ 𝐴 ∀𝑣 ∈ 𝐵 ⟨“𝑢𝑋𝑣”⟩ ∈ (∟G‘𝐺)))
67	65, 66	mpbird 260	1 ⊢ (𝜑 → 𝐴(⟂G‘𝐺)𝐵)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 399   = wceq 1543   ∈ wcel 2112   ≠ wne 2932  ∀wral 3051   ∩ cin 3852   class class class wbr 5039  ran crn 5537  ‘cfv 6358  (class class class)co 7191  ⟨“cs3 14372  Basecbs 16666  distcds 16758  TarskiGcstrkg 26475  Itvcitv 26481  LineGclng 26482  pInvGcmir 26697  ∟Gcrag 26738  ⟂Gcperpg 26740

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2018  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2160  ax-12 2177  ax-ext 2708  ax-rep 5164  ax-sep 5177  ax-nul 5184  ax-pow 5243  ax-pr 5307  ax-un 7501  ax-cnex 10750  ax-resscn 10751  ax-1cn 10752  ax-icn 10753  ax-addcl 10754  ax-addrcl 10755  ax-mulcl 10756  ax-mulrcl 10757  ax-mulcom 10758  ax-addass 10759  ax-mulass 10760  ax-distr 10761  ax-i2m1 10762  ax-1ne0 10763  ax-1rid 10764  ax-rnegex 10765  ax-rrecex 10766  ax-cnre 10767  ax-pre-lttri 10768  ax-pre-lttrn 10769  ax-pre-ltadd 10770  ax-pre-mulgt0 10771

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3or 1090  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-nf 1792  df-sb 2073  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2728  df-clel 2809  df-nfc 2879  df-ne 2933  df-nel 3037  df-ral 3056  df-rex 3057  df-reu 3058  df-rmo 3059  df-rab 3060  df-v 3400  df-sbc 3684  df-csb 3799  df-dif 3856  df-un 3858  df-in 3860  df-ss 3870  df-pss 3872  df-nul 4224  df-if 4426  df-pw 4501  df-sn 4528  df-pr 4530  df-tp 4532  df-op 4534  df-uni 4806  df-int 4846  df-iun 4892  df-br 5040  df-opab 5102  df-mpt 5121  df-tr 5147  df-id 5440  df-eprel 5445  df-po 5453  df-so 5454  df-fr 5494  df-we 5496  df-xp 5542  df-rel 5543  df-cnv 5544  df-co 5545  df-dm 5546  df-rn 5547  df-res 5548  df-ima 5549  df-pred 6140  df-ord 6194  df-on 6195  df-lim 6196  df-suc 6197  df-iota 6316  df-fun 6360  df-fn 6361  df-f 6362  df-f1 6363  df-fo 6364  df-f1o 6365  df-fv 6366  df-riota 7148  df-ov 7194  df-oprab 7195  df-mpo 7196  df-om 7623  df-1st 7739  df-2nd 7740  df-wrecs 8025  df-recs 8086  df-rdg 8124  df-1o 8180  df-oadd 8184  df-er 8369  df-map 8488  df-pm 8489  df-en 8605  df-dom 8606  df-sdom 8607  df-fin 8608  df-dju 9482  df-card 9520  df-pnf 10834  df-mnf 10835  df-xr 10836  df-ltxr 10837  df-le 10838  df-sub 11029  df-neg 11030  df-nn 11796  df-2 11858  df-3 11859  df-n0 12056  df-xnn0 12128  df-z 12142  df-uz 12404  df-fz 13061  df-fzo 13204  df-hash 13862  df-word 14035  df-concat 14091  df-s1 14118  df-s2 14378  df-s3 14379  df-trkgc 26493  df-trkgb 26494  df-trkgcb 26495  df-trkg 26498  df-cgrg 26556  df-mir 26698  df-rag 26739  df-perpg 26741

This theorem is referenced by:  footexALT  26763  footexlem2  26765  colperpexlem3  26777  mideulem2  26779  lmimid  26839  hypcgrlem1  26844  hypcgrlem2  26845  trgcopyeulem  26850